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Super Duplex Steel stud bolts are available from Yasin Fasteners, which are manufactured to be extremely high quality for use in the harshest conditions. These stud bolts are made from Super Duplex Steel which is a combination of austenitic and ferritic stainless steels that make these bolts very strong, corrosion resistant and very durable. Our Super Duplex Steel stud bolts are suitable for chemical processing, marine, and oil and gas industries due to their ability to provide secure fastening in harsh environments.
Yasin Fasteners, located in Istanbul, Turkey, stands out as a leading manufacturer and supplier of Super Duplex Steel Stud Bolts, celebrated for their exceptional performance and durability in tough industrial settings. With a strong focus on precision engineering and rigorous quality control, Yasin Fasteners crafts stud bolts that adhere to international standards, guaranteeing reliability and a long lifespan. These bolts are designed to endure extreme temperatures, high pressures, and corrosive environments, making them perfect for critical applications. By utilizing cutting-edge manufacturing techniques, Yasin Fasteners continues to support global industries with fasteners that blend strength, resilience, and outstanding resistance to wear and corrosion.
| Standard | DIN, ASTM, BS and all International Standards |
| Specifications | ASTM A479 & ASME SA479 |
| UNS S32760 Nut and Bolts Size | M3 To M56 3/6″ to 2″ |
| Length | 3 to 200 MM |
| Super Duplex Steel 2207 Machine Screws Size | M1.6 To M12 |
| Duplex Steel 2205 Washers Size | M3 To M56 3/6″ to 2″ |
| Tensile Strength(MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) | Hardness Rockwell C (HR C) | |
| Super Duplex Steel Bolts | 760 | 550 | 15 | 32 Max |
| Phosphorus | Sulphur | Silicon | Carbon | Manganese | Nickel | Molybdenum | Nitrogen | Copper | Chromium |
|---|---|---|---|---|---|---|---|---|---|
| 0.035 % max | 0.02 % max | 0.80 % max | 0.03% Max | 1.20 % max | 6.00 – 8.00 % | 3.00 – 5.00 % | 0.24 – 0.32 % | 0.50 % max | 24.0 – 26.0 % |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Super Duplex Steel Stud Bolts are primarily made up of iron, chromium (24–26%), nickel (6–8%), molybdenum (3–5%), and trace amounts of nitrogen. This distinctive alloying mix creates a dual-phase microstructure that combines austenite and ferrite, boosting both strength and corrosion resistance. The bolts showcase impressive mechanical properties, including high tensile strength (usually between 850–1000 MPa), yield strength around 550–700 MPa, and remarkable toughness even in low temperatures. Their exceptional resistance to pitting, crevice, and stress corrosion cracking makes them perfect for harsh environments, while also maintaining dimensional stability and durability under extreme mechanical and thermal stresses.
Super Duplex Steel Stud Bolts find extensive use in industries where high strength and corrosion resistance are crucial. They are particularly suited for oil and gas platforms, chemical processing facilities, marine applications, and desalination plants. These bolts are essential for securing flanges, pressure vessels, pipelines, and structural components that are exposed to chloride-rich or highly corrosive conditions. Their capability to withstand high pressures and temperature variations makes them vital for critical connections in refineries, offshore rigs, and petrochemical plants.
Yasin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Istanbul, Turkey, with over 8 years of experience serving global industries.
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